19468904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26495896

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 91, 94, 104, 182, 188, 329, 364, 376, 569, 611, 658, 728, 1138, 1222, 1316, 2276, 2444, 2632, 3983, 4277, 4552, 4888, 7397, 7966, 8554, 14794, 15932, 17108, 26743, 29588, 31864, 34216, 51779, 53486, 59176, 103558, 106972, 187201, 207116, 213944, 347659, 374402, 414232, 695318, 748804, 1390636, 1497608, 2433613, 2781272, 4867226, 9734452, 19468904]

約数ペア:

[(1, 19468904), (2, 9734452), (4, 4867226), (7, 2781272), (8, 2433613), (13, 1497608), (14, 1390636), (26, 748804), (28, 695318), (47, 414232), (52, 374402), (56, 347659), (91, 213944), (94, 207116), (104, 187201), (182, 106972), (188, 103558), (329, 59176), (364, 53486), (376, 51779), (569, 34216), (611, 31864), (658, 29588), (728, 26743), (1138, 17108), (1222, 15932), (1316, 14794), (2276, 8554), (2444, 7966), (2632, 7397), (3983, 4888), (4277, 4552)]